spec: update to 0.99.22.2
    
    Update to the latest upstream. 0.99.22.2 delivers only the fix for
    CVE-2013-2236. We have ospfapi and ospfclient disabled, but in order
    to be consistent we push update anyway.
    
    Resolves: #990015
    
    http://nongnu.askapache.com//quagga/quagga-0.99.22.2.changelog.txt